PT-2026-39651 · Wellbia · Xigncode3

Published 2026-05-11 · Updated 2026-05-11 · CVE-2026-3609

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions XIGNCODE3 (affected versions not specified)

Description A privilege escalation issue exists in the xhunter1.sys kernel driver. The flaw provides access to the 'IRP MJ REITS' command interface, enabling any user process to request PROCESS ALL ACCESS permissions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2026-3609

Affected Products

Xigncode3

References · 4

• 🔥 https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3609 · Security Note
• https://crcert.or.kr · Note
• https://twitter.com/CVEnew/status/2053932451794497966 · Twitter Post